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Finding the Fourth Proportional to 303,372.56, 418,655.37 and 167,410.49

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Solution

The fourth proportional to 303,372.56, 418,655.37 and 167,410.49 is: 231,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,372.56 : 418,655.37 = 167,410.49 : x
  2. Step 2: Convert to fraction form
    303,372.56/418,655.37 = 167,410.49/x
  3. Step 3: Cross multiply
    303,372.56x = 418,655.37 × 167,410.49
  4. Step 4: Simplify right side
    303,372.56x = 70,087,298,539.55
  5. Step 5: Solve for x
    x = 70,087,298,539.55/303,372.56
  6. Step 6: Final answer
    x = 231,027.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.